C13: Malignant neoplasm of hypopharynx
Codes under C13 (Malignant neoplasm of hypopharynx). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.
| Code | Description | Billable |
|---|---|---|
| C13.0 | Malignant neoplasm of postcricoid region | ✓ |
| C13.0 | Malignant neoplasm of postcricoid region | ✓ |
| C13.1 | Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect | ✓ |
| C13.1 | Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect | ✓ |
| C13.2 | Malignant neoplasm of posterior wall of hypopharynx | ✓ |
| C13.2 | Malignant neoplasm of posterior wall of hypopharynx | ✓ |
| C13.8 | Malignant neoplasm of overlapping sites of hypopharynx | ✓ |
| C13.8 | Malignant neoplasm of overlapping sites of hypopharynx | ✓ |
| C13.9 | Malignant neoplasm of hypopharynx, unspecified | ✓ |
| C13.9 | Malignant neoplasm of hypopharynx, unspecified | ✓ |
Frequently asked questions
What is ICD-10-CM code C13?
C13 is an ICD-10-CM category covering Malignant neoplasm of hypopharynx. It contains 10 more specific diagnosis codes, 10 of which are billable.
Is C13 a billable code?
No — C13 is a category header and isn't billable on its own. Code to the highest level of specificity using one of its subcodes (for example C13.0 — Malignant neoplasm of postcricoid region). 10 of the 10 codes under C13 are billable.
What codes fall under C13?
C13 includes C13.0, C13.0, C13.1, C13.1, C13.2, plus 5 more. See the full list with descriptions and billable status above.
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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.
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